Rigid attachment for a wet dry vacuum



FIG. 1 is a top plan view of the novel rigid attachment for a wet dry vacuum;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image thereof, the broken lines are for purposes of illustration only and form no part of the claimed design;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a rigid attachment for a wet dry vacuum, as shown and described. 